root/pypi: links for nginx-signing

root/pypi nginx_signing-0.1.6.tar.gz
root/pypi nginx_signing-0.1.5.tar.gz
root/pypi nginx_signing-0.1.4.tar.gz
root/pypi nginx_signing-0.1.3.tar.gz
root/pypi nginx_signing-0.1.2.tar.gz
root/pypi nginx_signing-0.1.1.tar.gz
root/pypi nginx_signing-0.1.tar.gz